Question

1. Classify the changes involved in the following processes as physical or
chemical changes:
(a)
Photosynthesis
(b) Dissolving sugar in water
(c) Burning of coal
(d) Melting of wax
(e) Beating aluminium to make aluminium foil
(f) Digestion of food​

Answer 1

a) chemical change
b) physical change
c) chemical change
d) physical change
e) physical change
f) chemical change

Answer 2

Answer:

cpcppc

Explanation:

1.CHEMICAL CHANGE

2.PHYSICAL CHANGE

3.CHEMICAL CHANGE

4.PHYSICAL CHANGE

5.PHYSICAL CHANGE

6.CHEMICAL CHANGE